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21.
公开(公告)号:US20180226602A1
公开(公告)日:2018-08-09
申请号:US15569100
申请日:2017-05-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Changyen WU , Juanjuan YOU , Yingying SONG , Guang YAN
Abstract: The present disclosure provides an organic light emitting diode (OLED) and a manufacturing method of the same, and a display device. The OLED comprises a first portion and a second portion which are manufactured by different processes and sequentially stacked, wherein the first portion comprises a first carrier transport layer, a first light emitting layer, and a connecting layer between the first light emitting layer and the second portion, which are sequentially stacked, the second portion comprises a second carrier transport layer, the first light emitting layer comprises an N-type base material and a P-type base material, and the connecting layer comprises a material corresponding to carriers in the first carrier transport layer. The OLED provided by the present disclosure can not only make light emission stable, maintain a good efficiency of light emission, but obtain light with an ideal color and prevent a phenomenon of “unexpected emission of light”.
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公开(公告)号:US20240188350A1
公开(公告)日:2024-06-06
申请号:US17790193
申请日:2021-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Ying HAN , Yicheng LIN , Guang YAN , Pan XU , Mingi CHU , Dongfang YANG
IPC: H10K59/13 , H10K59/131 , H10K59/80
CPC classification number: H10K59/13 , H10K59/131 , H10K59/80516
Abstract: A light-emitting substrate includes a base substrate, an auxiliary electrode line, at least one light-emitting device, and at least one light-detecting device(s). The auxiliary electrode line is disposed on the base substrate. The at least one light-emitting device is disposed above the base substrate, and a light-emitting device includes a first electrode, a light-emitting functional layer and a second electrode that are sequentially stacked in a direction moving away from the base substrate. The at least one light-detecting device is disposed above the base substrate, and a light-detecting device includes a third electrode and a fourth electrode. The auxiliary electrode line is coupled to the fourth electrode and the second electrode.
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公开(公告)号:US20240188344A1
公开(公告)日:2024-06-06
申请号:US17789248
申请日:2021-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Ying HAN , Yicheng LIN , Guang YAN , Pan XU , Dongfang YANG , Xing ZHANG , Zhan GAO , Guoying WANG , Dacheng ZHANG
IPC: H10K59/123 , H10K59/60 , H10K59/80 , H10K102/10
CPC classification number: H10K59/123 , H10K59/60 , H10K59/80522 , H10K59/80524 , H10K2102/103
Abstract: A light-emitting substrate includes a base substrate, light-emitting device(s) and a first insulating layer. A light-emitting device includes a first electrode, a light-emitting functional layer and a second electrode that are sequentially stacked. The first electrode includes a second sub-electrode and a first sub-electrode. The second sub-electrode includes a first portion covered by the first sub-electrode and a second portion except for the first portion. The first insulating layer has a first opening and a second opening. A portion of a side face of the first sub-electrode located on the second sub-electrode is covered by the first insulating layer. A portion of the light-emitting functional layer located in the first opening is in contact with the first sub-electrode, and a portion of the light-emitting functional layer located in the second opening is in contact with the second portion in the second sub-electrode.
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24.
公开(公告)号:US20230363230A1
公开(公告)日:2023-11-09
申请号:US17414546
申请日:2020-12-29
Applicant: BOE Technology Group Co., Ltd.
Inventor: Juanjuan YOU , Guang YAN , Linlin WANG
CPC classification number: H10K59/38 , H10K59/877 , H10K59/879 , H10K71/00 , H10K2102/331
Abstract: An array substrate is disclosed and_includes: a base substrate (1); an excitation light source (2) on a side of the base substrate (1); and a sub pixel on a side of the excitation light source (2) facing away from the base substrate (1). The sub pixel at least includes a first-kind sub pixel (3). The first-kind sub pixel (3) includes a first quantum dot conversion layer (31), a first recycling component layer (32) and a first color film layer (33) sequentially located on the side of the excitation light source (2) facing away from the base substrate (1), and the first recycling component layer (32) is configured to limit at least part of light with a wavelength smaller than a wavelength of emergent light of the first-kind sub pixel (3) into the first recycling component layer (32) and the first quantum dot conversion layer (31).
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公开(公告)号:US20200035159A1
公开(公告)日:2020-01-30
申请号:US15779789
申请日:2017-12-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yi-Cheng LIN , Guang YAN , Quanhu LI , Mingi CHU
IPC: G09G3/3258
Abstract: Embodiments of the present disclosure provide a driving method for a pixel circuit. The pixel circuit includes a light emitting device and a drive transistor. The method includes: compensating the drive transistor in a first compensation manner including an internal voltage compensation during an operation period of the light emitting device; and compensating the drive transistor in a second compensation manner including the internal voltage compensation and an external voltage compensation during a non-operation period of the light emitting device.
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公开(公告)号:US20190165051A1
公开(公告)日:2019-05-30
申请号:US15991146
申请日:2018-05-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Guang YAN , Chinlung LIAO , Dongfang YANG
Abstract: The present disclosure provides a display backboard, a method for fabricating the same and a display device. The display backboard includes a plurality of pixel units arranged in an array, each of the pixel units includes a plurality of sub-pixels, and each of the sub-pixels includes a substrate, a first electrode, a light emitting layer, and a second electrode stacked in sequence. The plurality of the sub-pixels have different emission colors, and thicknesses of the first electrodes among the plurality of the sub-pixels are different, and the thickness of the first electrode is configured so that an emission dipole of the sub-pixel is located at a second anti-node of standing wave on the first electrode side.
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27.
公开(公告)号:US20180138438A9
公开(公告)日:2018-05-17
申请号:US15512099
申请日:2016-02-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Guang YAN , Chin-Lung LIAO
CPC classification number: H01L51/5024 , H01L51/0003 , H01L51/0008 , H01L51/001 , H01L51/0013 , H01L51/5016 , H01L51/504 , H01L51/5064 , H01L51/56
Abstract: The embodiments of the present disclosure provide an organic light emitting device including a first electrode, a second electrode, and an organic functional layer, wherein the organic functional layer includes a first doped layer fabricated in a first process, a second doped layer fabricated in a second process, and an auxiliary layer formed between the first doped layer and the second doped layer, wherein the auxiliary layer is used to improve the performance of the first doped layer. The embodiments of the present disclosure further provide a method for fabricating the organic light emitting device. The embodiments of the present disclosure also provide a display apparatus including the organic light emitting device.
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28.
公开(公告)号:US20170279062A1
公开(公告)日:2017-09-28
申请号:US15512099
申请日:2016-02-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Guang YAN , Chin-Lung LIAO
CPC classification number: H01L51/5024 , H01L51/0003 , H01L51/0008 , H01L51/001 , H01L51/0013 , H01L51/5016 , H01L51/504 , H01L51/5064 , H01L51/56
Abstract: The embodiments of the present disclosure provide an organic light emitting device including a first electrode, a second electrode, and an organic functional layer, wherein the organic functional layer includes a first doped layer fabricated in a first process, a second doped layer fabricated in a second process, and an auxiliary layer formed between the first doped layer and the second doped layer, wherein the auxiliary layer is used to improve the performance of the first doped layer. The embodiments of the present disclosure further provide a method for fabricating the organic light emitting device. The embodiments of the present disclosure also provide a display apparatus including the organic light emitting device.
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公开(公告)号:US20170229651A9
公开(公告)日:2017-08-10
申请号:US15098482
申请日:2016-04-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
CPC classification number: H01L51/0096 , H01L51/5209 , H01L51/5218 , H01L51/5225 , H01L51/56 , H01L2251/558 , H04N9/30 , Y02E10/549
Abstract: An OLED curved-surface display panel is provided. The display panel includes a second transparent electrode, an organic luminescent layer, a first transparent electrode, and a reflective electrode, wherein the second transparent electrode is closer to a display side than the first transparent electrode, and wherein a thickness of the first transparent electrode increases from a middle portion of the first transparent electrode to an edge portion of the first transparent electrode.
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公开(公告)号:US20220123083A1
公开(公告)日:2022-04-21
申请号:US17418814
申请日:2020-11-13
Applicant: BOE Technology Group Co., Ltd.
Inventor: Ying HAN , Yicheng LIN , Pan XU , Xing ZHANG , Zhan GAO , Guang YAN
Abstract: A display substrate (100), a display panel and a display apparatus. The display substrate (100) comprises a base (10), and a light-emitting device (21) and an optical compensation structure (30), which are located on the base (10), wherein the optical compensation structure (30) comprises a photoelectric sensor (31), a transistor (32) and a capacitor (33); the photoelectric sensor (31) is respectively electrically connected to the transistor (32) and the capacitor (33); the photoelectric sensor (31) comprises a first electrode (311), a photosensitive layer (312) located on a side of the first electrode (311) that is away from the base (10), and a second electrode (313) located on a side of the photosensitive layer (312) that is away from the base (10); the transistor (32) comprises a source electrode (324), a drain electrode (323), a gate electrode (322) and an active layer (321); the capacitor (33) comprises a first electrode plate (331) and a second electrode plate (332) located on a side of the first electrode plate (331) that is away from the base (10); neither of the orthographic projection of the source electrode (324) on the base (10) and the orthographic projection of the drain electrode (323) on the base (10) overlaps with the orthographic projection of the first electrode plate (331) on the base (10); and both the orthographic projection of the source electrode (324) on the base (10) and the orthographic projection of the drain electrode (323) on the base (10) overlap with the orthographic projection of the first electrode (311) on the base (10).
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